Cap



FIG. 1 is a top perspective view of a cap showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom perspective view thereof.

The broken lines showing the remainder of the cap are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a cap, as shown and described. 